| Date Filed | Type | Description |
| 06/23/2000 |
8-K
| Quarterly results |
| 11/24/1999 |
8-K
| Other events, Financial statements and exhibits |
| 10/21/1999 |
8-K
| Other events |
| 07/29/1999 |
8-K
| Other events |
| 07/09/1999 |
8-K
| Other events, Financial statements and exhibits |
| 05/11/1999 |
8-K
| Financial statements and exhibits |
| 05/07/1999 |
8-K
| Other events |
| 04/22/1999 |
8-K
| Other events |
| 04/16/1999 |
8-K
| Acquisition or disposition of assets, Other events, Financial statements and exhibits |
| 03/22/1999 |
8-K/A
| Acquisition or disposition of assets, Financial statements and exhibits |
| 03/03/1999 |
8-K
| Other events, Financial statements and exhibits |
| 01/19/1999 |
8-K
| Acquisition or disposition of assets, Financial statements and exhibits |
| 12/09/1998 |
8-K
| Other events |
| 11/23/1998 |
8-K
| Financial statements and exhibits |
| 09/18/1998 |
8-K
| Other events, Financial statements and exhibits |
| 08/07/1998 |
8-K/A
| Acquisition or disposition of assets, Other events, Financial statements and exhibits |
| 07/10/1998 |
8-K
| Acquisition or disposition of assets, Other events, Financial statements and exhibits |
| 04/27/1998 |
8-K
| Financial statements and exhibits |
| 04/09/1998 |
8-K/A
| Financial statements and exhibits |
| 03/31/1998 |
8-K
| Other events, Financial statements and exhibits |
| 03/09/1998 |
8-K
| Other events, Financial statements and exhibits |
| 02/18/1998 |
8-K
| Acquisition or disposition of assets, Financial statements and exhibits |
| 01/13/1998 |
8-K
| Acquisition or disposition of assets, Other events, Financial statements and exhibits |
| 11/25/1997 |
8-K
| Financial statements and exhibits |
| 11/10/1997 |
8-K/A
| Acquisition or disposition of assets, Financial statements and exhibits |
| 10/30/1997 |
8-K
| Other events, Financial statements and exhibits |
| 10/16/1997 |
8-K
| Acquisition or disposition of assets, Financial statements and exhibits |
| 10/01/1997 |
8-K
| Other events, Financial statements and exhibits |
| 08/26/1997 |
8-K/A
| Acquisition or disposition of assets, Financial statements and exhibits |
| 06/25/1997 |
8-K
| Acquisition or disposition of assets, Financial statements and exhibits |
| 11/08/1996 |
8-K
| Acquisition or disposition of assets |